import React, { useState, useEffect } from 'react';
import {
  Dialog,
  Button,
  DialogActions,
  DialogContent,
  Box,
  GridLegacy as Grid,
  IconButton,
  Tooltip,
} from '@mui/material';
import { FolderOpen as FolderOpenIcon, Home as HomeIcon } from '@mui/icons-material';
import { bgLight, fontColor } from '../../theme';
// FileBrowser placeholder - full implementation requires react-sortable-tree and Tree component
// This is a simplified version for basic functionality

interface FileBrowserProps {
  open?: boolean;
  exploreOnlyDirs?: boolean;
  filterFiles?: string | boolean;
  startDir?: string;
  toggleMode?: boolean;
  onRequestClose?: (selection?: any) => void;
}

/**
 * FileBrowser Component
 * Placeholder implementation - full migration requires react-sortable-tree dependency
 * For now, this provides basic structure that can be extended
 */
const FileBrowser: React.FC<FileBrowserProps> = ({
  open = false,
  exploreOnlyDirs = false,
  filterFiles = false,
  startDir = '',
  toggleMode = false,
  onRequestClose,
}) => {
  const [selection, setSelection] = useState<any>(undefined);
  const [currentFolder, setCurrentFolder] = useState<string>(startDir || (window as any).currentFolder || '');

  useEffect(() => {
    if (open && startDir) {
      setCurrentFolder(startDir);
    }
  }, [open, startDir]);

  const handleClose = (): void => {
    if (onRequestClose) {
      onRequestClose(selection);
    }
  };

  const handleCancel = (): void => {
    if (onRequestClose) {
      onRequestClose();
    }
  };

  const selectMessage = exploreOnlyDirs ? 'Select a folder. ' : 'Select a file. ';

  return (
    <Dialog
      open={open}
      fullWidth
      maxWidth="sm"
      onClose={handleCancel}
      sx={{ zIndex: 1350 }}
    >
      <DialogContent>
        <Box sx={{ color: fontColor, mb: 2 }}>
          {`${selectMessage}Paths are relative to:`}
        </Box>

        <Grid container alignItems="center" spacing={1}>
          <Grid item>
            <Box
              sx={{
                m: 1,
                p: 1,
                color: 'lightgrey',
                bgcolor: bgLight,
              }}
            >
              {currentFolder || (window as any).currentFolder || ''}
            </Box>
          </Grid>

          <Grid item>
            <Tooltip title="Enclosing Folder" placement="top">
              <IconButton disableTouchRipple onClick={() => {
                // Navigate up directory - placeholder
                const upPath = currentFolder.split('/').slice(0, -2).join('/') || '/';
                setCurrentFolder(upPath);
              }}>
                <FolderOpenIcon />
              </IconButton>
            </Tooltip>
          </Grid>

          <Grid item>
            <Tooltip title="Home folder" placement="top">
              <IconButton
                disableTouchRipple
                onClick={() => {
                  setCurrentFolder((window as any).currentFolder || '');
                }}
              >
                <HomeIcon />
              </IconButton>
            </Tooltip>
          </Grid>
        </Grid>

        {/* Tree component placeholder - full implementation needed */}
        <Box
          sx={{
            width: '100%',
            height: 400,
            border: '1px solid',
            borderColor: 'divider',
            borderRadius: 1,
            p: 2,
            mt: 2,
            display: 'flex',
            alignItems: 'center',
            justifyContent: 'center',
            color: 'text.secondary',
          }}
        >
          File browser tree (placeholder - react-sortable-tree integration pending)
        </Box>
      </DialogContent>
      <DialogActions>
        <Button onClick={handleCancel}>CANCEL</Button>
        <Button
          id="browserAccept"
          variant="contained"
          color="primary"
          onClick={handleClose}
          disabled={!selection}
        >
          SELECT
        </Button>
      </DialogActions>
    </Dialog>
  );
};

export default FileBrowser;

